Ph.D. (Science), Gakushuin University, Mar. 2021

Dec. 2024 - Present
Japan Agency for Marine-Earth Science and Technology, Research Institute for Marine Resources Utilization, Submarine Resources Research Center, Research Technician

Apr. 2023 - Nov. 2024
The University of Tokyo, Graduate School of Science Department of Earth and Planetary Science, Project Researcher

Apr. 2021 - Mar. 2023
The University of Tokyo, Graduate School of Science Laboratory for Earthquake Chemistry, Project Researcher

Wenbin Zhao; Chunqing Sun; Zhengfu Guo; Jimin Sun; Jalil Ghalamghash; Meysam Akbari; Morteza Talebian; Antonio Caracausi; Teruhiko Kashiwabara; Yuta Ijichi; Ming Lei; Wanfeng Zhang; Xiangang Xie; Chunsheng Jin; Wenjing Liu; Zhifang Xu
Slab break-off and carbonate metasomatism recorded by Mg-Mo isotopes in post-collisional volcanism of northwestern Iran
LITHOS, May 2026
528

Yuta Ijichi; Kohei Sakata; Teruhiko Kashiwabara; Yoshio Takahashi; Takeshi Ohno
Mg K-edge XAFS analysis of biogenic aragonite
Chemistry Letters, 03 Apr. 2026

Masahiro Takano; Hiroyuki Kagi; Yuichiro Mori; Hiroki Kobayashi; Katsutoshi Aoki; Yoshio Takahashi; Yuta Ijichi; Sho Kakizawa; Noriyoshi Tsujino; Yuji Higo; Asami Sano-Furukawa; Taku Tsuchiya
Negligible Hydrogen Solubility in FeS under High-Pressure and High-Temperature Conditions: Implications for Hydrogen Storage in Planetary Cores
ACS EARTH AND SPACE CHEMISTRY, 16 Mar. 2026

Yusuke Fukami; Ryoko Ariizumi; Yuta Ijichi; Takeshi Ohno; Teruhiko Kashiwabara; Takazo Shibuya; Katsuhiko Suzuki; Takafumi Hirata
Variation in the relationship between odd isotopes of tin in mass-independent fractionation induced by the magnetic isotope effect.
Proceedings of the National Academy of Sciences of the United States of America, 23 Apr. 2024
121, 17, e2321616121

Ami Yoshida; Junko Shikimori; Takeshi Ohno; Yuta Ijichi; Yusuke Fukami; Masahiro Sakata; Takafumi Hirata
Historical changes of 236U/238U and 235U/238U isotopic ratios in Tokyo Bay from the 1960s to the 2000s.
Journal of environmental radioactivity, Dec. 2022
255, 107011, 107011

Shiho Marugata; Hiroyuki Kagi; Yuta Ijichi; Kazuki Komatsu; Xianyu Xue; Kazumasa Sugiyama
Experimental evidence of static disorder of carbonate ions in Ba-doped calcite
Journal of Solid State Chemistry, Aug. 2022
312

Takeshi Ohno; Naoki Sato; Junko Shikimori; Yuta Ijichi; Yusuke Fukami; Yasuhito Igarashi
Temporal change of 236U/238U and 235U/238U isotopic ratios in atmospheric deposition in Tokyo and Akita from 1963 to 1979.
The Science of the total environment, 01 Mar. 2022
810, 151292, 151292

Yuta Ijichi; Takeshi Ohno; Shuhei Sakata
Copper isotopic fractionation during adsorption on manganese oxide: Effects of pH and desorption
Geochemical Journal, 2018
52, 2, e1, e6

佐藤彩佳; 平野隼; 中林賢一; 伊地知雄太; 深海雄介; 大野剛
Investigation of effect of pressure on mass-independent fractionation in even-mass isotopes of mercury
日本地球化学会年会要旨集(Web), 2025
72nd

植野颯太; 伊地知雄太; 平山剛大; 柏原輝彦; 臼井朗; 山口瑛子; 高橋嘉夫
Systematic understanding of solid-liquid partitioning and isotope fractionation based on the elucidation of adsorbed species of barium on manganese oxides
日本地球化学会年会要旨集(Web), 2025
72nd

長谷川菜々子; 板井啓明; 高橋嘉夫; 伊地知雄太; 柏原輝彦; YOHANNES Yared B.; 国末達也; 小笠原浩平; 徳長ゆり香; 池中良徳; 池中良徳; NDASHE Kunda; KATABA Andrew; 銅谷理緒; 小竹皓貴; 小竹皓貴; 乘本裕明; 乘本裕明; 中山翔太; 中山翔太; 石塚真由美
Inter-species variation in iron stable isotope ratios and their association with hepatic ferritin in vertebrates
Biomedical Research on Trace Elements (Web), 2025
36, S1

伊地知雄太; JANG J.; 小原義之; 横田季彦; 桧垣正吾; 山口瑛子; 山口瑛子; 平山剛大; 和田洋一郎; 羽場宏光; 高橋嘉夫; 高橋嘉夫
Potential use of ²²⁶Ra in coal ash for the production of ²²⁵Ac for nuclear medicine
日本放射化学会討論会(Web), 2024
68th

小長谷莉未; 平山剛大; 伊地知雄太; 坪井寛行; 板井啓明; 高橋嘉夫
Rubidium stable isotope fractionation in river-lake-marine systems
日本地球化学会年会要旨集(Web), 2024
71st

朝来野翔大; 中林賢一; 伊地知雄太; 大野剛
Relationships between nitrogen isotope ratios and mercury isotope ratios in marine fish.
日本地球化学会年会要旨集(Web), 2024
71st

平山剛大; 小長谷莉未; 伊地知雄太; 坪井寛行; 板井啓明; 高橋嘉夫
Geochemical study of the influence of the magma evolution process and genesis on Rb stable isotope.
日本地球化学会年会要旨集(Web), 2024
71st

佐藤彩佳; 平野隼; 中林賢一; 伊地知雄太; 深海雄介; 大野剛
Elucidation of mass-independent fractionation mechanism in even-mass isotopes of mercury in atmospheric environment
日本地球化学会年会要旨集(Web), 2024
71st

伊地知雄太; 高橋嘉夫
Assessment of iron immobilization by addition of smectite in paddy field.
日本地球化学会年会要旨集(Web), 2024
71st

玉手茉凜; 伊地知雄太; 深海雄介; 大野剛
Exploration of magnesium magnetic isotope effects in biochemical reactions
日本地球化学会年会要旨集(Web), 2024
71st

NAGAO Ryosuke; ISHIHARA Yuki; YOSHIDA Satoshi; NIKI Sota; IJICHI Yuta; SAWAKI Yusuke; ADACHI Natsuko; OHNO Takeshi; UENO Yuichiro; HIRATA Takafumi; KOMIYA Tsuyoshi; KOMIYA Tsuyoshi
In-situ analyses of Carbonate-associated phosphates: Implications for secular changes in phosphate contents of seawater through Earth history.
日本地球惑星科学連合大会予稿集(Web), 2023
2023

Yusuke Fukami; Ryoko Ariizumi; Takeshi Ohno; Yuta Ijichi; Teruhiko Kashiwabara; Katsuhiko Suzuki; Takafumi Hirata
Geochemical applications of mass independent isotope fractionation by magnetic isotope effects
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 189

Rimi Konagaya; Takehiro Hirayama; Yuta Ijichi; Hiroyuki Tsuboi; Takaaki Itai; Yoshio Takahashi
Rubidium stable isotope fractionation in river and seawater systems
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 58

Takehiro Hirayana; Rimi Konagaya; Yuta Ijichi; Hiroyuki Tsuboi; Yoshio Takahashi
Potential of Rb isotopes for slab and sediment contributions to subduction zone magma process.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 155

Yuma Sato; Hiroki Ishimizu; Yoshio Takahashi; Yuta Ijichi; Takaaki Itai
Environmental constrains to proceed "Geochemical Focusing" in stratified lake
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 25

Takeshi Ohno; Jun Hirano; Ryo Murakami; Yuta Ijichi; Yusuke Fukami
Effects of ultraviolet wavelength on mercury isotope fractionation during photoreduction
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 128

Yuta Ijichi; Takeshi Ohno; Yoshio Takahashi; Hiroyuki Kagi
Local structural analysis of divalent metal ions coprecipitated in synthetic calcite and aragonite
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2023
70, 137

Ariizumi Ryoko; Tanaka Kosuke; Ijichi Yuta; Fukami Yusuke; Ohno Takeshi; Hirata Takafumi
Effect of tin concentration on mass independent isotopic fractionation in solvent extraction reaction using crown ether
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2022
69, 32

Ohno Takeshi; Yoshida Ami; Ijichi Yuta; Fukami Yusuke; Igarashi Yasuhito; Hirata Takafumi
Determination of anthropigenic uranium isotopes in the environment using ICP-MS/MS
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2022
69, 39

Ijichi Yuta; Ohno Takeshi; Takahashi Yoshio
Local structural analysis on trace divalent metals which promote a precipitation of aragonite by using Copper XAFS analysis
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2020
67, 113

Ohno Takeshi; Sakata Shuhei; Ijichi Yuta; Nakabayashi Kenichi; Fukami Yusuke; Sawaki Yusuke; Yamamoto Shinji
Development of new analytical methods for promoting research on Earth Metallomics
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2019
66, 139

Ijichi Yuta; Ohno Takeshi; Takahashi Yoshio
XAFS analysis on trace divalent metals which control a polymorph selection of calcium carbonate.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2019
66, 182

Ohno Takeshi; Ijiti Yuta; Masegi Ayaka; Sakata Shuhei; Yaji Toyonari; Ogawa Masahiro; Fukushi Keisuke; Takahashi Yoshio
Effect of carbonate crystal structures on Mg isotopic fractionation during carbonate precipitation
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2018
65, 36

Ijichi Yuta; Ohno Takeshi; Sakata Shuhei; Masegi Ayaka; Takahashi Yoshio
Local structure of coprecipitated copper in calcium carbonate and its effects on the control of crystalline polymorph.
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2018
65, 37

Ijichi Yuta; Ohno Takeshi; Sakata Shuhei
Isotope fractionation of copper during adsorption to ferromanganese oxides
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2017
64, 153

Ijichi Yuta; Ohno Takeshi
Isotopic fractionation of molybdenum during adsorption onto ferromanganese oxides
Abstracts of Annual Meeting of the Geochemical Society of Japan, 2016
63, 201